n.同源物，同系物

The human and chimpanzee genomes share many homologous genes.
人类和黑猩猩基因组共享许多同源基因。
The forelimbs of vertebrates are homologous structures, although they have evolved different functions.
脊椎动物的前肢是同源结构，尽管它们已经演化出不同的功能。
These bones in the wings of birds and the forelimbs of bats are homologous structures.
鸟类翅膀和蝙蝠前肢中的这些骨头是同源结构。
Through comparative genomics, scientists can identify homologous genes across different species.
通过比较基因组学，科学家可以在不同物种中识别出同源基因。
Researchers discovered that the eye development genes in flies and humans are homologous.
研究人员发现果蝇和人类的眼睛发育基因是同源的。
Despite their differences, the pectoral fins of fish and the arms of humans are considered homologous organs.
尽管存在差异，但鱼类的胸鳍和人类的手臂被认为是同源器官。
Homologous chromosomes pair up during meiosis to ensure proper genetic recombination.
同源染色体在减数分裂期间配对以确保正确的基因重组。
Many plants have homologous flowering genes that allow them to produce flowers at specific times.
许多植物具有同源的开花基因，使它们能够在特定时间开花。
In evolutionary biology, vestigial organs often correspond to homologous structures in other organisms.
在进化生物学中，退化器官通常与其它生物体内的同源结构相对应。
By comparing homologous genes among various species, biologists can trace back common ancestors.
通过比较不同物种之间的同源基因，生物学家可以追溯到共同祖先。